IN-WHEEL MOTOR SYSTEM - BRIDGESTONE CORP

Title:

IN-WHEEL MOTOR SYSTEM

Document Type and Number:

WIPO Patent Application WO/2007/083800

Kind Code:

A1

Abstract:

A geared motor (10G) has an electric motor (10) and a reduction gear mechanism (11) for reducing the rotational speed of the electric motor (10) and transmitting the reduced speed to a wheel (2). The geared motor (10G) is elastically joined to a knuckle (5) by a dynamic vibration absorber (20) having a motor installation member (21) installed on the side face side of a motor case (10a), a knuckle installation member installed on the knuckle (5), a spring member (23) for connecting the motor installation member (21) and the knuckle installation member, two guide members (24, 24) for guiding the direction of operation of the spring member (23) into the vertical direction, and a damper placed in parallel with the guide members (24, 24). The motor (10) and the dynamic vibration absorber (20) are arranged behind the reduction gear mechanism (11). By the construction above, the motor (10) can have a sufficient stroke and the dynamic vibration absorber (20) can exhibit its performance sufficiently.

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Inventors:

IWANO HARUO (JP)

Application Number:

PCT/JP2007/050934

Publication Date:

July 26, 2007

Filing Date:

January 23, 2007

Export Citation:

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Assignee:

BRIDGESTONE CORP (JP)
IWANO HARUO (JP)

International Classes:

B60K7/00; B60G13/16; F16F15/02; H02K7/14

Foreign References:

JP2005335467A	2005-12-08
JP2005324606A	2005-11-24

Other References: